320023133244320 has 96 divisors (see below), whose sum is σ = 824844191927616. Its totient is φ = 116363964006400.

The previous prime is 320023133244313. The next prime is 320023133244323. The reversal of 320023133244320 is 23442331320023.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (320023133244323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19054592 + ... + 31672128.

It is an arithmetic number, because the mean of its divisors is an integer number (8592126999246).

Almost surely, 2^{320023133244320} is an apocalyptic number.

It is an amenable number.

320023133244320 is an abundant number, since it is smaller than the sum of its proper divisors (504821058683296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320023133244320 is a wasteful number, since it uses less digits than its factorization.

320023133244320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12631974 (or 12631966 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 320023133244320 its reverse (23442331320023), we get a palindrome (343465464564343).

The spelling of 320023133244320 in words is "three hundred twenty trillion, twenty-three billion, one hundred thirty-three million, two hundred forty-four thousand, three hundred twenty".